TER
Teradyne, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +4.8% ·
share flow +2.2% ·
net new positions +4.5%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 168 | -2 | 115.37M | $55.58B | +5 | −8 |
| Q1 2026 | 174 | +6 | 111.33M | $32.87B | +8 | −3 |
| Q4 2025 | 167 | +1 | 127.25M | $24.48B | +2 | n/a |
| Q3 2025 | 24 | 0 | 82.34M | $11.33B | +1 | −2 |
| Q2 2025 | 22 | +1 | 67.09M | $6.03B | +1 | n/a |
| Q1 2025 | 18 | -1 | 22.40M | $1.85B | n/a | −1 |
| Q4 2024 | 19 | +2 | 20.18M | $2.54B | +2 | n/a |
| Q3 2024 | 16 | -1 | 10.79M | $1.44B | n/a | −1 |
| Q2 2024 | 17 | n/a | 13.94M | $2.07B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 20.97M | n/a | $1.89B | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 15.76M | n/a | $1.42B | 0.0% | n/c | 1 | SEC ↗ ×21 |
| 3 | State Street Global Advisors ✦ (passive) | 6.99M | -0.5% | $628.86M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 6.53M | n/a | $587.22M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 5 | Geode Capital Management ✦ (passive) | 4.19M | -1.9% | $374.81M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 6 | PRIMECAP Management ✦ | 3.05M | +58.6% | $274.04M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 7 | ARK Investment Management ✦ | 2.17M | -3.1% | $195.50M | 1.4% | ▼ Trim | 5 | SEC ↗ |
| 8 | Norges Bank ✦ (passive) | 1.70M | -11.2% | $152.85M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 1.08M | +135.1% | $96.71M | 0.1% | ▲ Add | 5 | SEC ↗ ×2 |
| 10 | AQR Capital Management ✦ | 907.02K | -35.4% | $81.56M | 0.1% | ▼ Trim | 5 | SEC ↗ ×6 |
| 11 | Renaissance Technologies ✦ | 891.10K | +91.4% | $80.13M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 875.36K | +56.6% | $78.71M | 0.1% | ▲ Add | 5 | SEC ↗ ×2 |
| 13 | Two Sigma Investments ✦ | 644.36K | +19.9% | $57.94M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 14 | Point72 Asset Management ✦ | 277.78K | -43.2% | $24.98M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 15 | Millennium Management ✦ | 276.49K | -50.6% | $24.86M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | T. Rowe Price ✦ | 237.38K | +0.1% | $21.35M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 17 | Gotham Asset Management ✦ | 153.50K | +177.6% | $13.80M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 18 | Adage Capital Partners ✦ | 146.92K | -1.1% | $13.21M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Arrowstreet Capital ✦ | 129.33K | New | $11.63M | 0.0% | New | 1 | SEC ↗ |
| 20 | Fisher Asset Management ✦ | 103.30K | -0.8% | $9.29M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 21 | Wellington Management ✦ | 14.50K | +4.9% | $1.30M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 22 | Baillie Gifford ✦ | 312 | 0.0% | $28,055 | 0.0% | Held | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $11.63M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 11.80K shares, $3,498 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 400 sh · $140,444
Director · 800 sh · $270,264
Director · 167 sh · $56,997
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology